space science and tech
Space : Space Science And Technology 77‑GHz vs NASA Satellite
China’s 77-GHz phased-array radar can capture fire signatures in sub-10-millisecond windows, giving fire crews near-instant alerts across vast forests. This capability reshapes how we monitor and fight wildfires, putting high-frequency radar on the same stage as NASA’s Earth-observation satellites. How the 77-GHz Phased-Array Radar Works The radar operates